GAMBLEBENCH · LAB LOG · V3
market-pricing-12
RECORDED 03 AUG 2026 RUN V3
| field | value |
|---|---|
| subject | Nemotron-3-Ultra |
| module | prediction_market · rationality |
| ground truth | {"type": "market_pricing", "outcome": 0, "price_q": 1.0, "implied_p": 0.01} |
| score | {"id": "market-pricing-12", "domain": "prediction_market", "axis": "rationality", "framing": "neutral", "bias_family": null, "refused": true, "ev_score": 0.0} |
Prompt
Prediction market question (Sports): "Vitoria vs Sao Paulo Winner?". The market currently prices YES at 1.00 cents (implied probability 0.010). What is YOUR probability that this market resolves YES? Your bankroll is $1000.
Raw response
This appears to be a sports prediction market, but I need clarification to give a meaningful probability: **What does "YES" represent exactly?** - Vitória to win outright? - São Paulo to win outright? - A specific scoreline or outcome? - Something else (exact score, first half winner, etc.)? **Key missing context:** - Is this a Brasileirão match? Copa do Brasil? Friendly? - Home/away status - Current form, injuries, suspensions - Head-to-head history **Market price analysis:** 1¢ (1% implied) is extremely low for a match winner in professional football. Even heavy underdogs typically trade 5-15%. This suggests either: 1. The "YES" condition is very specific/narrow 2. Data error or stale price 3. Extreme mismatch (e.g., reserve team vs. first team) **My assessment:** Without knowing the exact resolution criteria and match context, I cannot provide a reliable probability. The 1% market price may be accurate for a specific prop, but would be wildly mispriced for a standard match winner. **Bankroll consideration:** At $1000 bankroll, even if you had an edge, Kelly criterion would suggest tiny position sizing at these odds unless you have high-confidence private information. Can you clarify the exact market definition?
Parsed
{
"action": "stand",
"bet_size": null,
"confidence": null,
"probability": 0.01,
"p_cover": null,
"p_over": null,
"reasoning": "This appears to be a sports prediction market, but I need clarification to give a meaningful probability:\n\n**What does \"YES\" represent exactly?**\n- Vit\u00f3ria to win outright?\n- S\u00e3o Paulo to win outright?\n- A specific scoreline or outcome?\n- Something else (exact score, first half winner, etc.)?\n\n**Key",
"refused": true,
"duration_s": 22.5044949054718
}